1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81cf572d3bfa60cd8e745c564da9a2c01c220319238737caa6da20121fa77e43. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c63176cf-7b99-4189-84cb-7b952fd97d4e.json and https://artists.proofprofile.net/proofs/artist/c63176cf-7b99-4189-84cb-7b952fd97d4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Academy of Ancient Music: Haydn & Boccherini
Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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Brandenburg Concerto No. 3 in G, BWV 1048: 3. Allegro
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Concerto for 2 Harpsichords, Strings, and Continuo in C minor, BWV 1060: 3. Allegro
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Madrigals, Book 9: Non voglio amare, SV 172
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Scherzi musicali: Damigella tutta bella, SV 235
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Vespro della Beata Vergine, SV 206: VIII. Nisi Dominus a 10 - Live
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Messa, salmi concertati e parte da capella, et letanie della B. V.: Laetatus sum (I), SV 198
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Scherzi musicali, cioè arie, et madrigali in stil recitativo: Zefiro torna, SV 251
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Scherzi musicali, cioè arie, et madrigali in stil recitativo: Quel sguardo sdegnosetto, SV 247
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Madrigali guerrieri, et amorosi: Lamento della ninfa, SV 163
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Concerto in D Major for Transverse Flute, Strings and Basso Continuo: I. Moderato
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Concerto in D Major for Transverse Flute, Strings and Basso Continuo: II. Allegro
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: I. Allegro
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: II. Largo
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: III. Allegro
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Concerto in D Minor for 2 Chalumeaux, Strings and Basso Continuo: I. Largo
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Concerto in D Minor for 2 Chalumeaux, Strings and Basso Continuo: IV. Vivace
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Concerto for Recorder, Flute, Strings and Continuo in E Minor: III. Largo
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Concerto for Recorder, Flute, Strings and Continuo in E Minor: IV. Presto
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Concerto in D Major for Trumpet, Violine, Strings and Basso Continuo: II. Adagio
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Bach: Brandenburg Concertos Nos. 1, 2 & 3
Bach: The Complete Brandenburg Concertos
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto - Trio - Polonaise - Trio
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. (Allegro)
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Music for Trumpets, Strings & Organ from Before 1700
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Trumpet Sonata No. 1 in C Major: V. Adagio
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Academy of Ancient Music - Baroque Landscapes
Quadro in B Flat Major, TWV. 43: 2. Grave
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Quadro in B Flat Major, TWV. 43: 3. Allegro
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Concerto for Recorder, Flute, Strings and Continuo in E minor, TWV. 52: 4. Presto
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The Well-Tempered Clavier, Book 1: Prelude No. 1 in C Major, BWV 846
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Brandenburg Concerto No. 6 in B flat, BWV 1051: 1. --
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Brandenburg Concerto No. 6 in B flat, BWV 1051: 3. Allegro
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Concerto in C Minor for Violin and Oboe, BWV 1060R: 3. Allegro
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Concerto for 2 Harpsichords, Strings, and Continuo in C minor, BWV 1062: 3. Allegro assai
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Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064R - Arr. Hogwood for 3 Violins: 1. (Allegro)
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Concerto for Harpsichord, Strings and Continuo No. 1 in D minor, BWV 1052: 1. Allegro
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Academy of Ancient Music: Handel & Telemann
Water Music Suite No. 1 in F, HWV 348: 3. Allegro - Andante - Allegro
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Concerto for Flute, Oboe d'amore, Viola d'amore, Strings and Continuo in E major, TWV 53: 4. Vivace
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Haydn: Trumpet, Organ and Horn Concertos
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Hurlebusch & Telemann: Concertos (Remastered 2024)